Profile: Technomag Inc. is a fabricator of bonded & sintered rare earths (neodymium-iron-boron & samarium cobalt), bonded ferrites, cast & sintered alnico & ceramic magnets. Cast alnico magnets, which are aluminum nickel-cobalt-iron alloys, are the most established and widely used permanent magnet materials. Due to their high flux density and superior temperature stability, cast magnets are used in a range of application.